# Arisa > Arisa is an open-source personal assistant that you interact with through Telegram, powered by Pi Agent. You can send text, voice messages, images, and documents. Arisa keeps a session for each authorized chat and uses separately installed tools for additional capabilities. Tool availability depends on the installation and configuration. ## Website - [Home](https://arisa.sh/): Product overview, architecture, and tool examples in English. - [Inicio](https://arisa.sh/es/): Información del producto en español. - [Stories](https://arisa.sh/stories/): Published stories in English. - [Historias](https://arisa.sh/es/stories/): Historias publicadas en español. ## Documentation and source - [Repository and README](https://github.com/clasen/Arisa): Source code, installation instructions, and project documentation. - [Official tool catalog](https://github.com/clasen/Arisa/tree/main/tools): Tool packages and their documentation. Arisa core does not bundle installed tools. - [Session Bridge](https://github.com/clasen/Arisa/tree/main/tools/browser-session-bridge): Browser extension and tool for sharing a user-selected browser session with Arisa. ## Usage notes Consult the repository for current installation instructions and versions. Consult each tool's documentation for permissions and required configuration. Session-sharing, payment, and signaling endpoints are operational services, not documentation sources. Do not request or reproduce session cookies, pairing tokens, or user credentials.